CN104142230A - Device for testing mechanical characteristics of circuit breaker - Google Patents
Device for testing mechanical characteristics of circuit breaker Download PDFInfo
- Publication number
- CN104142230A CN104142230A CN201310624407.7A CN201310624407A CN104142230A CN 104142230 A CN104142230 A CN 104142230A CN 201310624407 A CN201310624407 A CN 201310624407A CN 104142230 A CN104142230 A CN 104142230A
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- moving contact
- contact pull
- link
- pull bar
- linear displacement
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Abstract
The invention discloses a device for testing the mechanical characteristics of a circuit breaker. The device for testing the mechanical characteristics of the circuit breaker comprises a connecting frame and a linear displacement sensor, wherein the connecting frame is used for being fixedly connected with a moving contact pull rod of the circuit breaker so that the connecting frame can be driven by the moving contact pull rod to move in the stretching and retracting directions of the moving contact pull rod, and the linear displacement sensor is provided with a signal input rod which is fixedly connected with the connecting frame. The device for testing the mechanical characteristics of the circuit breaker further comprises a guide frame, wherein the guide frame is used for being fixedly arranged on a fixing support of the circuit breaker, a limiting rail is arranged on the guide frame, and the limiting rail is used for movement guiding matching with the connecting frame in the stretching and retracting directions of the moving contact pull rod and rotation stopping and limiting matching in the circumferential direction of the moving contact pull rod. Under the guiding action and the limiting action of the guide frame, the connecting frame which is connected with the moving contact pull rod and the signal input rod of the linear displacement sensor in a transmission mode can only move in a guided mode in the stretching and retracting directions of the moving contact pull rod and cannot rotate in the circumferential direction of the moving contact pull rod, and therefore the problem that the linear displacement sensor is damaged due to rotation of the moving contact pull rod is avoided.
Description
Technical field
The present invention relates to a kind of breaker mechanic property proving installation.
Background technology
Breaker mechanic property measurement is weigh and ensure one of important means of isolating switch quality condition and performance index, in type approval test, delivery test and on-the-spot commissioning test, all will carry out the measurement of mechanical property, to guarantee the normal operation of isolating switch.
In the Chinese utility model patent that is CN202066668U at Granted publication number, a kind of breaker mechanic property proving installation is disclosed, it is fixed with link on moving contact pull bar, link is connected with the input end of displacement transducer simultaneously, when doing mechanical property detection, moving contact pull bar moves back and forth to control the moving contact in isolating switch along moving contact pull bar bearing of trend under operating mechanism drives, static contact conducting, depart from, moving contact pull bar in moving back and forth process with the input end synchronization action of displacement transducer, by the corresponding output test data of displacement transducer to complete the test to breaker mechanic property.When concrete test, displacement transducer generally adopts linear displacement transducer, in test process, moving contact pull bar by the input end with linear displacement transducer along traveling priority.
But when adopting above-mentioned proving installation when some porcelain knob breakers are carried out to testing mechanical characteristic, find that moving contact pull bar easily occurs circumferentially rotating moving back and forth to control that isolating switch divides, in the process of closing operation, the moving contact pull bar rotating is together deflection of the input end with linear displacement transducer, and then will cause the damage of rectilinear transducer for test.
Summary of the invention
The object of this invention is to provide a kind of breaker mechanic property proving installation, to solve the linear displacement transducer in proving installation in prior art, easily occurred the technical matters that the moving contact pull bar of circumferentially rotation damages.
For achieving the above object, the technical scheme of mechanical characteristic testing device provided by the present invention is: breaker mechanic property proving installation, comprise for the moving contact pull bar with isolating switch and be connected by moving contact pull bar, driven the link moving along the flexible direction of moving contact pull bar and there is the linear displacement transducer that the signal being connected with link is inputted bar, described proving installation also comprises for being installed in the guide frame on the fixed support of isolating switch, guide frame is provided with for coordinating at the flexible direction guiding movement of described moving contact pull bar with described link, the limit track of the spacing cooperation of spline in the circumferential direction of moving contact pull bar.
On described link, roll and coordinate with described limit track with the corresponding position of described limit track.
Described link be set with rolling bearing with corresponding position described limit track, described limit track comprises for be upwards distributed in two guide rails of described link both sides in moving contact pull bar week, and two guide rails have the guide and limit side for rolling and coordinate with rolling bearing of arranging in opposite directions.
Described guide frame is guide plate, and described limit track is the long guiding hole for extending along the flexible direction of described moving contact pull bar that guide plate is provided with, the both sides hole wall that described two guide rails are described long guiding hole.
Described linear displacement transducer and guide frame are fixedly assembled together, and have for wearing the shaft part of described rolling bearing and the linkage section being connected for the signal input bar with linear displacement transducer on link.
Described linear displacement transducer is by sensor installation seat and connect bent plate and guide frame is fixedly assembled together, described linear displacement transducer is installed on described sensor installation seat, connects bent plate and has respectively the two side connecting plate sections with sensor installation seat, guide frame bolt-connection.
The web joint section with guide frame bolt-connection in two side connecting plate sections of described connection bent plate is provided with bolt mounting holes, and this bolt mounting holes is slotted hole.
Usefulness of the present invention is: during breaker mechanic property proving installation work provided by the present invention, moving contact pull bar on link and isolating switch is fixed together, the signal input bar of link and linear displacement transducer is connected, moving contact on link and isolating switch, like this, when moving contact pull bar expanding-contracting action, by link, drive the signal input bar synchronization action of linear displacement transducer, and then complete the test job of breaker mechanic property.In this proving installation, be provided with guide frame, under the guiding and position-limiting action of this guide frame, being in transmission connection the link of signal input bar of moving contact pull bar and linear displacement transducer can only be along the flexible direction guiding movement of moving contact pull bar, and can not upwards occur rotating in moving contact pull bar week, the signal input bar that makes linear displacement transducer is only also that the flexible direction along moving contact pull bar moves with to linear displacement transducer input detection signal, there will not be because moving contact pull bar rotates the problem of damaging linear displacement transducer.
Further, link rolls and coordinates with limit track, can reduce like this resistance that limit track applies to link in the flexible direction of moving contact pull bar, and then can effectively improve measuring accuracy.
Further, limit track comprises two guide rails, and on link, corresponding position is set with rolling bearing, coordinates to realize the guiding of link and spacing by rolling bearing with the rolling of two guide rails, and limit track is simple and reliable for structure.
Further, guide frame is designed to guide plate, and directly on guide plate, offers the limit track of long guiding hole to be formed for rolling and coordinating with rolling bearing on link, the one-piece construction of guide frame is very simple, is convenient to assemble.
Further, linear displacement transducer is by sensor installation seat and connect bent plate and guide frame is fixedly assembled together, by connecting bent plate, can adjust easily the position of linear displacement transducer, be convenient to realize being fixedly connected with of the signal input bar of linear displacement transducer and the linkage section of guide frame.
Further, the bolt mounting holes in the web joint section with guide frame bolt-connection is designed to slotted hole, is convenient to like this adjust the coupled position that connects bent plate and guide frame.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of breaker mechanic property proving installation provided by the present invention;
Fig. 2 is the structural representation of link in Fig. 1;
Fig. 3 is the structural representation of guide plate in Fig. 1;
Fig. 4 is the structural representation that connects bent plate in Fig. 1;
Fig. 5 is the vertical view that connects bent plate shown in Fig. 4;
Fig. 6 is the left side view that connects bent plate shown in Fig. 4;
Fig. 7 is the structural representation (linear displacement transducer moves along track to mount pad one end) of sensor installation seat in Fig. 1;
Fig. 8 is the upward view (linear displacement transducer is middle part along rail moving to mount pad) of sensor installation seat shown in Fig. 7:
Fig. 9 is arranged on the structural representation on isolating switch by the correspondence of proving installation shown in Fig. 1.
Embodiment
As shown in Figures 1 to 8, a kind of embodiment of breaker mechanic property proving installation, the proving installation in this embodiment comprises link 2, guide frame 4, rolling bearing 3 and linear displacement transducer 7.Link 2 is connected to be driven along the flexible direction of moving contact pull bar and moved by moving contact pull bar 1 for the moving contact pull bar 1 with isolating switch, link 2 has the flanged plate 23 connecting with flanged plate 19 on moving contact pull bar 1, and on flanged plate 23, correspondence offers flange mounting hole 24.Guide frame 4 is fixedly assembled together by the fixed support 100 of bolt and isolating switch in use, on guide frame 4, be provided with for moving up and coordinate in the flexible side of moving contact pull bar 1 with link 2, limit track in the spacing cooperation of spline that makes progress for 1 week around contact pull bar, this limit track comprises for be upwards distributed in two guide rails of described link 2 both sides in moving contact pull bar week, two guide rails have the guide and limit side for rolling and coordinate with rolling bearing of arranging in opposite directions, guide frame 4 is herein guide plate as shown in Figure 3, the long guiding hole 41 for extending along the flexible direction of described moving contact pull bar that guide rail is provided with for guide plate, the both sides hole wall 46 that described two guide rails are described long guiding hole 41.On link 2, have for wearing the shaft part 21 of described rolling bearing 3, on the shaft part 21 of link 2, be set with rolling bearing 3, by pad 9 and clamp nut 8, coordinate the axially location to rolling bearing 3 of realizing at shaft part 21 simultaneously, meanwhile, rolling bearing rolls and coordinates with the both sides hole wall 46 of long guiding hole 41.A side of guide plate be furnished with successively pilot hole 42, on connecting hole 43, lower connecting hole 44 and lower pilot hole 45, wherein, upper and lower pilot hole passes for the bolt for guide frame 4 is fixedly assemblied on fixed support 100 respectively.In upper and lower connecting hole respectively corresponding confession for passing connecting the bolt that bent plate and guide plate be fixedly assembled together.
Linear displacement transducer 7 is fixedly assembled together with guide frame 4 by sensor installation seat 6 and connection bent plate 5, the track that described linear displacement transducer 7 is provided with along sensor installation seat 6 is movably assemblied on sensor installation seat 6, after linear displacement transducer is moved into place, this linear displacement transducer can be fixedly installed on sensor installation seat 6.Linear displacement transducer 7 has the signal input bar for being connected with link 2, on link 2, be provided with the linkage section being connected for the signal input bar with linear displacement transducer, on this linkage section, corresponding being provided with for the signal on linear displacement transducer 7 inputted the perforation 22 that bar 71 penetrates, penetrate after perforation 22 signal being inputted to bar 71, use set nut that signal is inputted to bar and link 2 is fixedly assembled together.
On connection bent plate 5 herein, be furnished with along the vertical direction two, two connect bent plates 5 corresponds respectively to that on sensor installation seat 6, to be furnished with successively along the vertical direction two web joints 61 corresponding one by one, each connects bent plate and is all L-type, L-type connect bent plate have with the long web joint section 52 of sensor installation seat bolt-connection and with the short web joint section 51 of the corresponding bolt-connection of connecting hole of guide plate, in long web joint section 52, be furnished with successively two bolt mounting holes 520, in end web joint section 51, be provided with slotted hole 510 corresponding to connecting hole corresponding and on guide plate.
As shown in Fig. 1 and Fig. 9, when proving installation is arranged on isolating switch, link 2 and the fixing assembling of moving contact pull bar 1, sensor installation seat 6 is by connecting the fixing assembling of fixed support 100 of bent plate 5, guide frame 4 and isolating switch, and the signal of the linear displacement transducer on sensor installation seat 67 input bar 71 is fixed assembling with the linkage section on link 2, when moving contact pull bar 1 is flexible under breaker driving mechanism drives, synchronous signal input bar 71 expanding-contracting actions that drive of guide frame 2, and then by linear displacement transducer 7 output test signals.And because rolling bearing 3 and the guiding rolling in the flexible direction of moving contact pull bar of the long guiding hole 41 on guide plate of suit on guide frame 2 coordinates and making progress the spacing cooperation of spline the week of moving contact pull bar; like this; by link, to moving contact pull bar, be applied to the opposition of spline; moving contact pull bar can not rotate with link in telescopic process again, and then can effectively protect linear displacement transducer.
In above-described embodiment, link is rolled and coordinates with guide frame by the rolling bearing being sleeved on shaft part, in other embodiments, also rolling wheel support can be set on link, and roller is installed on rolling wheel support, by the two side of roller and long guiding hole, being rolled to lead coordinates.
In above-described embodiment, limit track adopts long guiding hole, and in other embodiments, two guide rails of limit track also can be for being fixed on separately respectively two guideposts on fixed support.
In above-described embodiment, link is clipped in the middle to realize the guide and limit to link by two guide rails of limit track, in other embodiments, also can on link, offer spacing pilot hole, and guide rail is arranged to the guide upright post of single and spacing pilot hole guiding inserting.
In above-described embodiment, by connecting bent plate, realize the fixedly assembling of sensor installation seat and guide frame, like this according to the installation requirement of sensor installation seat, adjust the position that connects bent plate, reduce assembly difficulty.
Claims (7)
1. breaker mechanic property proving installation, comprise for the moving contact pull bar with isolating switch and be connected by moving contact pull bar, driven the link moving along the flexible direction of moving contact pull bar and there is the linear displacement transducer that the signal being connected with link is inputted bar, it is characterized in that: described proving installation also comprises for being installed in the guide frame on the fixed support of isolating switch, guide frame is provided with for coordinating at the flexible direction guiding movement of described moving contact pull bar with described link, the limit track of the spacing cooperation of spline in the circumferential direction of moving contact pull bar.
2. breaker mechanic property proving installation according to claim 1, is characterized in that: on described link, roll and coordinate with described limit track with the corresponding position of described limit track.
3. breaker mechanic property proving installation according to claim 2, it is characterized in that: described link be set with rolling bearing with corresponding position described limit track, described limit track comprises for be upwards distributed in two guide rails of described link both sides in moving contact pull bar week, and two guide rails have the guide and limit side for rolling and coordinate with rolling bearing of arranging in opposite directions.
4. breaker mechanic property proving installation according to claim 3, it is characterized in that: described guide frame is guide plate, described limit track is the long guiding hole for extending along the flexible direction of described moving contact pull bar that guide plate is provided with, the both sides hole wall that described two guide rails are described long guiding hole.
5. according to the breaker mechanic property proving installation described in claim 3 or 4, it is characterized in that: described linear displacement transducer and guide frame are fixedly assembled together on link, having for wearing the shaft part of described rolling bearing and the linkage section being connected for the signal input bar with linear displacement transducer.
6. breaker mechanic property proving installation according to claim 5, it is characterized in that: described linear displacement transducer is by sensor installation seat and connect bent plate and guide frame is fixedly assembled together, described linear displacement transducer is installed on described sensor installation seat, connects bent plate and has respectively the two side connecting plate sections with sensor installation seat, guide frame bolt-connection.
7. breaker mechanic property proving installation according to claim 6, is characterized in that: the web joint section with guide frame bolt-connection in two side connecting plate sections of described connection bent plate is provided with bolt mounting holes, and this bolt mounting holes is slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624407.7A CN104142230B (en) | 2013-11-30 | 2013-11-30 | Breaker mechanic property test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310624407.7A CN104142230B (en) | 2013-11-30 | 2013-11-30 | Breaker mechanic property test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104142230A true CN104142230A (en) | 2014-11-12 |
| CN104142230B CN104142230B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310624407.7A Active CN104142230B (en) | 2013-11-30 | 2013-11-30 | Breaker mechanic property test device |
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| Country | Link |
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| CN (1) | CN104142230B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277881A (en) * | 2015-11-23 | 2016-01-27 | 广东电网有限责任公司电力科学研究院 | Multifunctional testing device for mechanical properties of high voltage vacuum circuit breaker |
| CN105277160A (en) * | 2015-11-12 | 2016-01-27 | 天津平高智能电气有限公司 | Sensor installing base and displacement measuring device using sensor installing base |
| CN106383015A (en) * | 2016-11-04 | 2017-02-08 | 上海工程技术大学 | Vibration testing mechanism for frame-type air circuit breaker |
| CN107036794A (en) * | 2017-04-27 | 2017-08-11 | 国家电网公司 | A kind of second generation rectilinear transducer mounting bracket |
| CN108444688A (en) * | 2018-05-08 | 2018-08-24 | 河南森源电气股份有限公司 | Breaker and breaker sensor fastening device |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07146214A (en) * | 1993-11-22 | 1995-06-06 | Takachiho Kogyo Kk | Apparatus for testing hydraulic breaker body |
| CN202066668U (en) * | 2010-12-29 | 2011-12-07 | 常州森源力拓开关有限公司 | Detection device for mechanical properties of vacuum circuit breaker |
| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
-
2013
- 2013-11-30 CN CN201310624407.7A patent/CN104142230B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07146214A (en) * | 1993-11-22 | 1995-06-06 | Takachiho Kogyo Kk | Apparatus for testing hydraulic breaker body |
| CN202066668U (en) * | 2010-12-29 | 2011-12-07 | 常州森源力拓开关有限公司 | Detection device for mechanical properties of vacuum circuit breaker |
| CN202383148U (en) * | 2011-11-29 | 2012-08-15 | 青岛特锐德电气股份有限公司 | High voltage circuit breaker speed detector |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277160A (en) * | 2015-11-12 | 2016-01-27 | 天津平高智能电气有限公司 | Sensor installing base and displacement measuring device using sensor installing base |
| CN105277160B (en) * | 2015-11-12 | 2018-06-26 | 天津平高智能电气有限公司 | Sensor installation seat and the displacement measuring device using the sensor installation seat |
| CN105277881A (en) * | 2015-11-23 | 2016-01-27 | 广东电网有限责任公司电力科学研究院 | Multifunctional testing device for mechanical properties of high voltage vacuum circuit breaker |
| CN105277881B (en) * | 2015-11-23 | 2016-09-14 | 广东电网有限责任公司电力科学研究院 | A kind of multifunctional high pressure vacuum breaker mechanical features test device |
| CN106383015A (en) * | 2016-11-04 | 2017-02-08 | 上海工程技术大学 | Vibration testing mechanism for frame-type air circuit breaker |
| CN106383015B (en) * | 2016-11-04 | 2018-08-24 | 上海工程技术大学 | A kind of vibration-testing mechanism for frame circuit breaker |
| CN107036794A (en) * | 2017-04-27 | 2017-08-11 | 国家电网公司 | A kind of second generation rectilinear transducer mounting bracket |
| CN108444688A (en) * | 2018-05-08 | 2018-08-24 | 河南森源电气股份有限公司 | Breaker and breaker sensor fastening device |
| CN108444688B (en) * | 2018-05-08 | 2023-11-28 | 河南森源电气股份有限公司 | Circuit breaker and sensor fixing device for circuit breaker |
| CN109406120A (en) * | 2018-11-13 | 2019-03-01 | 许继集团有限公司 | A kind of breaker mechanic property examination device |
| CN109406120B (en) * | 2018-11-13 | 2020-08-11 | 许继集团有限公司 | Circuit breaker mechanical characteristic testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104142230B (en) | 2016-08-17 |
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